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ks_15_7

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Dec 26th, 2020 (edited)
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SQL 0.57 KB | None | 0 0
  1. -- SQL
  2. -- TASK 1
  3.  
  4. SELECT *.tab1, *.tab2
  5. FROM tab1
  6. RIGHT JOIN tab2 ON id.tab2 = id.tab1
  7.  
  8.  
  9. -- TASK 2
  10. SELECT *
  11. FROM tab1
  12. UNION
  13. SELECT *
  14. FROM tab2
  15.  
  16. -- TASK 3
  17. SELECT splt_tab.region, splt_tab.cost
  18. FROM
  19. (SELECT *, REGEXP_SUBSTR(campaign_name,'[^_]+',1,1) AS item
  20.       ,REGEXP_SUBSTR(campaign_name,'[^_]+',1,2) AS format
  21.       ,REGEXP_SUBSTR(campaign_name,'[^_]+',1,3) AS region
  22. FROM SOURCE) AS splt_tab
  23. GROUP BY splt_tab.region
  24. -- здесь сделана группировка в целом по регионам без разбивки на кампании
  25.  
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